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| Mirrors > Home > MPE Home > Th. List > elrab3 | Structured version Visualization version GIF version | ||
| Description: Membership in a restricted class abstraction, using implicit substitution. (Contributed by NM, 5-Oct-2006.) |
| Ref | Expression |
|---|---|
| elrab.1 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
| Ref | Expression |
|---|---|
| elrab3 | ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elrab.1 | . . 3 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
| 2 | 1 | elrab 3634 | . 2 ⊢ (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ (𝐴 ∈ 𝐵 ∧ 𝜓)) |
| 3 | 2 | baib 535 | 1 ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 = wceq 1542 ∈ wcel 2114 {crab 3389 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2715 df-cleq 2728 df-clel 2811 df-rab 3390 df-v 3431 |
| This theorem is referenced by: unimax 4887 fnelfp 7130 fnelnfp 7132 fnse 8083 fin23lem30 10264 isf32lem5 10279 negn0 11579 ublbneg 12883 supminf 12885 sadval 16425 smuval 16450 dvdslcm 16567 dvdslcmf 16600 isprm2lem 16650 isacs1i 17623 isinito 17963 istermo 17964 subgacs 19136 nsgacs 19137 odngen 19552 sdrgacs 20778 lssacs 20962 mretopd 23057 txkgen 23617 xkoco1cn 23622 xkoco2cn 23623 xkoinjcn 23652 ordthmeolem 23766 shft2rab 25475 sca2rab 25479 lhop1lem 25980 ftalem5 27040 vmasum 27179 eqcuts2 27778 elmade 27849 addonbday 28271 israg 28765 ebtwntg 29051 eupth2lem3lem3 30300 eupth2lem3lem4 30301 eupth2lem3lem6 30303 cycpmco2lem1 33187 cycpmco2lem4 33190 cycpmco2 33194 ssdifidllem 33516 1arithufdlem2 33605 tgoldbachgt 34807 cvmliftmolem1 35463 neibastop3 36544 fdc 38066 pclvalN 40336 dvhb1dimN 41432 hdmaplkr 42359 aks4d1p8 42526 sticksstones1 42585 fsuppssind 43026 diophren 43241 islmodfg 43497 fsovcnvlem 44440 ntrneiel 44508 radcnvrat 44741 supminfxr 45892 stoweidlem34 46462 |
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